operator == method
Check if two vectors are the same.
Implementation
@override
bool operator ==(Object other) =>
(other is Vector4) &&
(_v4storage[0] == other._v4storage[0]) &&
(_v4storage[1] == other._v4storage[1]) &&
(_v4storage[2] == other._v4storage[2]) &&
(_v4storage[3] == other._v4storage[3]);